Trichotichnus (s. str.) hamulipenis hamulipenis ssp. n.

(Figs. 94, 96, 98–102 & 106)

Type material. Holotype. Male, “ CHINA, Yunnan Provin., Gongshan, Dulongjiang Maku village, roadside 27.68533°N, 98.30425°E′ ′, “ 1823 m, 2004.11.2 night Liang Hongbin collector California Academy & IOZ., Chinese. Acad. Sci. ” (IOZ).

Paratypes. China. YUNNAN: 2 males, 6 females, same data as holotype (IOZ, CAS); 1 male, Gongshan, Dulongjiang, Elidang Village, beach, 28.00287°N 98.32145°E, 1640 m, 3.XI.2004, D. Kavanaugh, D.Z. Dong leg. (CAS) ; 3 females, Gongshan Co., Dulongjiang, Bapo, along roadside, 27.73902°N 98.34975°E, 1412 m, 3.XI.2004, H.B. Liang leg. (CAS) ; 1 male, 1 female, same data but 26.X.2004 (IOZ); 4 males, 3 females, Gongshan, Dulongjiang, Miliwang, above Bapo, 27.72383°N 98.361°E, 1956 m, 31.X.2004 night, H.B. Liang leg. (IOZ, CAS, ZIN, cWR) ; 2 male, 4 females, Gongshan, Cikai Town, 0.5 km of Kongdang, 27.88111°N 98.34063°E, 1500 m, 25.X.2004 night, D. Kavanaugh leg. (IOZ, ZIN) ; 1 male, 1 female, same data but 7.XI.2004, D. Kavanaugh leg. (CAS, ZIN); 2 males, 4 females, Baoshan Co., Nankang Yakou, 24°49.9'N 98°46.0'E, 2130 m, 4–7.XI.1998, Stop #98-120 A, D.H. Kavanaugh, C.E. Griswold, C.-L. Long, R. Li, & H.-X. He leg. (CASENT 1002500 and 1002504) (IOZ, CAS) ; 2 males, 1 female [all teneral], Wuliangshan Mt. Range, 24°45'02"N 100°30'24"E, 2270 m, 12.VI.2011, I. Belousov, I. Kabak, A. Korolev leg. (cB&K) .

Description (5 males and 3 females measured). Habitus as in Fig. 94. On average, body larger (length 9.0– 10.5 mm, mean 10.0 mm), elytra relatively wider and shorter (EL/EW 1.43–1.54, mean 1.47, and EL/PL 2.59–2.80, mean 2.77), pronotum in central portion very finely punctate or almost impunctate, elytral preapical sinuation (Fig. 96) in most specimens slightly shallower and internal sac of aedeagus (Fig. 100) without distinct curved spiny patch in apical portion near apical spine.

Distribution (Fig. 106). The nominotypical subspecies is known from northwestern Yunnan (China), where it occurs at altitudes of 1400–2130 m.